2,4:(-6)

The expression you provided looks like a ratio or a division problem. In mathematical terms, **2,4:(-6)** could mean: 1. A ratio \( \frac{2.4}{-6} \) 2. It could also mean a division \( 2.4 \div (-6) \) If we take it as the second interpretation: \[ 2.4 \div (-6) = -0.4 \] If you meant something else or have more context to provide, please clarify!